Construct a 90 ci for the true proportion of masks of this

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Reference no: EM13616725

It is important that face masks used by firefighter be able to withstand high temperatures because firefighters commonly work in temperatures of 200-500oF. In a test of one type of mask, 11 of 55 masks had lenses pop out at 250o. Construct a 90% CI for the true proportion of masks of this type whose lenses would pop out at 250o.

Reference no: EM13616725

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